The original list is : [4, 5, 6, 7, 3, 8] The combinations of elements in range of i and j : [(7, 3), (4, 7), (4, 5, 6, 3), (4, 8), (5, 6), (5, 6, 3), (4, 6, 8), (5, 7, 8), (5, 6, 7, 8), (6, 7, 3), (6, 7, 3, 8), (5, 8), (5, 3, 8), (5, 6, 7), (6, 7), (4, 7, 3, 8), (5, 6, 3, 8), (5, 6, 8), (4, 6, 7, 8), (6, 3), (6, 3, 8), (5, 7, 3, 8), (7, 3, 8), (5, 7, 3), (4, 5, 7, 3), (4, 7, 8), (4, 6, 7), (4, 5, 3), (4, 5), (4, 6, 7, 3), (6, 7, 8), (4, 6, 3, 8), (4, 5, 6, 8), (4, 3, 8), (4, 5, 7, 8), (4, 5, 6), (5, 3), (4, 6, 3), (4, 5, 6, 7), (4, 5, 7), (4, 6), (6, 8), (4, 5, 3, 8), (4, 5, 8), (5, 7), (3, 8), (4, 3), (5, 6, 7, 3), (4, 7, 3), (7, 8)]